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The B-macroblock coding modes are: Bidirectional prediction. Prediction is done from the P-frames before and after the B-frame. This prediction is equivalent to the prediction defined in Annex G when MVD =0. (...) Index CBPB MVDB Number of bits Code Coding Mode 0 1 0 Bidirectional prediction 1 x 4 1100 Bidirectional prediction 2 x 3 100 Forward prediction 3 x x 3 101 Forward prediction 4 x 4 1101 Backward prediction 5 x x 4 1110 Backward prediction 6 x 4 1111 Intra ?.
Language:English
Score: 697839.7 - https://www.itu.int/wftp3/av-a...deo-site/9611_Atl/lbc96292.doc
Data Source: un
Introduction H.264 INTRA prediction models are applied in the JSVM1 enhancement layer INTRA prediction and the I_BL model is added. (...) Improving enhancement layer intra prediction In order to make the best of the encoded macroblock information in the lower layer to process INTRA prediction of current macroblock and to get better efficiency of prediction and coding, we improve the INTRA prediction method in JSVM1. (...) However, the DC prediction uses only DC4 model and the Horizontal prediction uses only Horizontal2 model and the Vertical prediction uses only Vertical2 model. 3.
Language:English
Score: 697640.6 - https://www.itu.int/wftp3/av-a...ite/2005_04_Busan/JVT-O029.doc
Data Source: un
The results were summarized by the chair and posted to the reflector. 3 Classification of the Intra Prediction As shown in Table 1, the list of intra prediction algorithm in the submissions based on [1] can be classified into two classes: · (Class 1)  Intra prediction techniques that can be used as addition or/and replacement of the intra predictions in KTA or JM. (...) Table 1.: Intra prediction elements and classification Proposal Intra prediction Class JCTVC-A030 (Sony) High direction resolution intra prediction with decoder side edge-based adaptive direction estimation 1 JCTVC-A105 (Sharp) Parallel Intra with Adaptive multi-directional intra pred 1 JCTVC-A107 (Mitsubishi) Block-based pyramid prediction 1 JCTVC-A108 (JVC) AC ramp prediction using DC and boundary 1 JCTVC-A109 (MediaTek) Enhanced intra prediction: Overlapped block, 9 modes for 16x16, context-dependent mode 1 JCTVC-A110 (LG) Intra prediction for 32x32 Chroma-from-luma intra prediction 1 JCTVC-A111 (Huawei & Hisilicon) Resample-based intra prediction Line-based intra prediction 2 JCTVC-A113 (SK telecom, Sejong Univ. & Sungkyunkwan Univ.) (...) Adaptive sub-block coding order. 1 JCTVC-A118 (Microsoft) Line-based/pixel based coding modes for intra; prediction uses switchable, Wiener, predefined directional filters or template matching 2 JCTVC-A119 (Tandberg, Ericsson, Nokia) Intra prediction: 16x16 DC, h/v & planar; 8x8 DC and 32 angular predictions; 4x4 DC, H/V 1 JCTVC-A122 (NHK & Mitsubishi) New 16x16 intra prediction modes: Global plane (surface) prediction, iterative adjustment prediction 1 JCTVC-A124 Samsung & BBC Methods: Arbitrary direction intra prediction, color comp. corr. pred. for intra, pixel-based template matching, combined intra prediction (ADI with local mean) Multi-parameter intra 1 JCTVC-A125 (BBC & Samsung; A124 without some or slightly modified tools) No pixel-based template matching 1 JCTVC-A126 (Renesas) Intra vector prediction by block matching Intra repetitive pixel replenishment based on template matching 1 JCTVC-A127 (ETRI) Intra prediction mode 32x32, intra prediction 16x16 with directions Recursive intra prediction, pre-filter at boundaries before prediction, post filter after prediction 1 4 Software Most participants felt that if the software for the Test Model under Consideration (TMuC) is ready, the TMuC software would be appropriate for the Intra Prediction Core Experiments.
Language:English
Score: 697013.1 - https://www.itu.int/wftp3/av-a...010_07_B_Geneva/JCTVC-B004.doc
Data Source: un
In this document, we focus on intra prediction part and report experimental results on an idea of noise filtering to be applied to the result of multi-angular prediction. (...) Considering the intra prediction process with large prediction unit, resulting prediction samples are getting unreliable for ADI modes due to a need of linear interpolation using reference samples located far each other. (...) “Current block” represents block to be predicted by intra prediction, and its size L was fixed to 16 in [2].
Language:English
Score: 696995 - https://www.itu.int/wftp3/av-a...010_07_B_Geneva/JCTVC-B067.doc
Data Source: un
The development of sea ice prediction capabilities has a central role in the Project. (...) Year of Polar Prediction (YOPP) The major initiative in the ten-year (2012–2022) Polar Projection Project will be the Year of Polar Prediction (YOPP), planned for mid-2017 to mid-2019. (...) Timeline of the three different stages of the Year of Polar Prediction (YOPP) − one of the flagship initiatives of the Polar Prediction Project – together with a number of selected key activities.
Language:English
Score: 696815.33 - https://public.wmo.int/en/reso...letin/polar-prediction-project
Data Source: un
Introduction H.264 INTRA prediction models are applied in the JSVM1 enhancement layer INTRA prediction and the I_BL model is added. (...) Improving enhancement layer intra prediction In order to make the best of the encoded macroblock information in the lower layer to process INTRA prediction of current macroblock and to get better efficiency of prediction and coding, we improve the INTRA prediction method in JSVM1. (...) However, the DC prediction uses only DC4 model and the Horizontal prediction uses only Horizontal2 model and the Vertical prediction uses only Vertical2 model. 3.
Language:English
Score: 696598.24 - https://www.itu.int/wftp3/av-a...e/2005_04_Busan/JVT-O029r1.doc
Data Source: un
In the prediction process, only samples from the main array are used for prediction when the angle value is positive. (...) JCTVC-B093 simplifies the prediction process when the angle value is negative. (...) Simplified angular prediction also has the additional benefit of being more suited for typical SIMD architectures due to the single reference array and a single equation for the creation of all predicted samples in the block.
Language:English
Score: 696189.75 - https://www.itu.int/wftp3/av-a..._10_C_Guangzhou/JCTVC-C046.doc
Data Source: un
The prediction residual sample array R’Y is used for the prediction of 4x4 residual chroma blocks in subclause 8.5.15.” with “3. (...) The prediction residual sample array R’Y is used for the prediction of 8x8 residual chroma blocks in subclause 8.5.15.” with “3. (...) The prediction residual sample array R’Y is used for the prediction of 4x4 residual chroma blocks in subclause 8.5.15.” with “d.
Language:English
Score: 696032.2 - https://www.itu.int/wftp3/av-a...te/2005_10_Nice/JVT-Q308r1.doc
Data Source: un
We refer to this as Inter Layer Prediction . Higher quality reference frames provide more accurate motion prediction for the base layer to improve coding efficiency. (...) Figure 2 illustrates the data flow in the prediction for both layers. Enhancement Layer Base Layer Upward Prediction Intra Layer Prediction Inter Layer Prediction I P P EI EP EP Figure 2: Date flow in SNR-LP The base layer residual is obtained by Inter Layer Prediction, but the base layer picture is reconstructed just as a combination of Intra Layer Prediction and the residual. (...) This leaky prediction also provides the error resiliency in the enhancement layer when the prediction coefficient is less than 1 (α<1 in Figure 1).
Language:English
Score: 695990.77 - https://www.itu.int/wftp3/av-a...deo-site/0109_San/VCEG-N53.doc
Data Source: un
B frames in TML-8 explicitly distinguish between forward and backward prediction types. And the bi-directional prediction type only allows a linear combination of a forward/backward prediction signal pair. (...) Prediction from multiple temporally subsequent pictures will allow backward prediction of B4 by using reference frames P5 , P7 , and P9 . (...) IBBP… Appendix B - Resource Consumption Metrics Algorithm Name: Multihypothesis Prediction Algorithm Description: Multihypothesis prediction is an extension of bi-directional prediction.
Language:English
Score: 695855.66 - https://www.itu.int/wftp3/av-a...deo-site/0109_San/VCEG-N40.doc
Data Source: un